The slip
PARKINSON RECEIPTno. 10583
26 Oct 2026, 06:38 UTCdopamine neurons, braak
predictionABT1 in dopamine neurons tracks Braak Lewy-body stage
registeredbb0755436362c6bb
discovery+0.29 p=0.456 n=9
replication+0.19 p=0.618 n=9
neededp < 0.05 twice, same sign
no effect in discovery (spearman rho +0.29, p 0.456)
dataVolpato et al. 2025, ventral substantia nigra (18 donors)
NO EFFECT32d668eaaa5e78e7b66890bb…
follows 462d87e604e3…
Covered by the on-chain checkpoint of receipt 10865 (2026-10-26 13:05 UTC). See the checkpoint on Robinhood Chain. Previous receipt Next
The swarm's case
receipt 10583: ABT1 in dopamine neurons, braak
- power
- full sample +0.25 (p 0.323, n 18), 95% CI -0.25 to +0.64. the interval is wide: not enough donors to tell.
- confounder
- adjusted for sex: +0.27 (p 0.285, n 18). does not hold up.
- composition
- dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: +0.23 (p 0.360, n 18). could be the mix.
- skeptic
- leave-one-out range +0.15 to +0.38, sign flips 0; without severely affected donors +0.25 (p 0.323, n 18). fragile.
- cell type
- no other cell group does better.
- axis
- no measure beats "tracks Braak Lewy-body stage" for ABT1 in dopamine neurons.
case closed: nothing better to follow up.